Thomas Deane

#14419, (4 June 1792-2 October 1871)
FatherAlexander Deane1 (c 1760-20 Mar 1806)
MotherElizabeth Sharp1 (-17 Mar 1828)
ChartsDeane Family - descendants
Last Edited19 Dec 2021
Sir Thomas Deane (c1792-1871)
(Source: Journal of the Cork Historical and Archaelogical Society, 1915 Vol.21 No.108 pages 180-186)
     NOTE: The information on this page is my research to date and is subject to change as I become better informed. I very much welcome any corrections or additional info you might have - my email address is at the bottom of this page. Whilst historical facts are not copyright, my writing about these facts are. If you wish to use any text from this site on Ancestry or on any other website, please ask me first - Tim Hill.
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Thomas was born on Monday, 4 June 1792 at Cork.2,1 He was the son of Alexander Deane and Elizabeth Sharp.1

His father died 1806.1

Thomas began working for his mother Elizabeth on the death of his father at the age of 14.1

He married Catherine Conellan, in 1809 at Cork. It was through this marriage that he acquired the estate of Umera..2,3,4

In 1811 he designed the Cork Commercial Buildings on South Mall, won in competition against William Wilkins - his first building.1

The Cork Commercial Buildings, from a design of Thomas's were completed on 22 August 1813.2 He was presented with a plate by the Corporation on 27 March 1814 "in testimony of their approbation of his conduct in the design, plan and execution of the work."2 He was the High Sheriff of Cork in 1815.2,1

Elizabeth andThomas carried out large government contracts for the Navy on Haulbowline Island between 1816 and 1822.3,5

He was one of the founders, in 1816, of the Cork Society for the Promotion of the Fine Arts. He was a collector of works of art, antiquities and geological specimens.6,3

He married Eliza Newenham, daughter of Robert O'Callaghan Newenham and Susanna Hoare, on Saturday, 13 January 1827.3,2,4

Alexander and Thomas were in partnership together.2 As of 1830, Thomas Deane was also known as Sir Thomas Deane when he was knighted by the Lord Lieutenant of Ireland, the Duke of Northumberland.7 He was the High Sheriff for the second time in 1830.1,2

Thomas was to the forefront of the development of the arts and sciences in his native city, serving on the Cork Corporation for many years. He was a staunch Tory, but ended up supporting a Catholic, Daniel Callaghan, in 1830. Later in life he grew tired of the political in-fighting.1

Sir Thomas Deane was on the committee of management for the Cork Art Union, whose remit was 'promoting the fine arts in the south of Ireland'. Also on the committee were Kyrl Allen Deane and an Alexander W. Deane.8

In 1845 he was appointed as architect of Queen's College in Cork.3 He was the Mayor of Cork for the third time in 1851.1

In 1851 father and son Thomas and Thomas entered into a partnership with Benjamin Woodward.3

He retired circa 1852.6

He was elected High Sheriff in 1852.3

He married Harriet Williams, daughter of Major John Williams, circa 1853.3,2,4 The firm of Sir Thomas Deane, Kt, Son & Woodward opened an office in Dublin in 1853.3 The firm seems tohave given up their office in Cork in 1857.3

He designed a number of buildings in the city of Cork, including parts of the University College campus, and St Mary's Cathedral, Tuam (completed after his death).1

In 1860 Thomas was elected president of the Royal Hibernian Academy.3,1

O'Dwyer describes Deane as ambitious and competitive in his business dealings, an outwardly extroverted and talkative man, but inwardly less confident in himself and more sensitive, than he appeared.3

Thomas died on 2 October 1871 at Longford Terrace, Monkstown, at age 79.1,2 His body was interred at Blackrock, Ireland.2

His will was probated on 3 November 1871. The total value of his estate was £14,000 0s. 0d..6


1806Note memo only CR CR1
1811Note memo only CR CR1
1813Note memo only CR CR2
1814Note memo only2
1816Note memo only CR CR3,5
1816Note memo only CR CR6,3
Note memo only CR CR2
Note memo only CR CR1
1845Note memo only CR CR3
1851Note memo only CR CR3
1852Note memo only CR CR6
1852Note memo only CR CR3
1853Note memo onlyDublin3
1857Note memo onlyCork3
Note memo only CR CR1
1860Note memo only CR CR3,1
Note memo only CR CR3
1871DeathLongford Terrace, Monkstown1,2
BurialBlackrock, Ireland2

Family 1

Catherine Conellan (-c 1825)

Family 2

Eliza Newenham (c 1800-6 Jun 1851)


  1. [S415] Wikipedia ( Thomas Deane (
  2. [S855] Cork Historical and Archaelogical Society, Journal of the Cork Historical and Archaelogical Society, 1919, Vol. 21 No.108 pages 180-186 "Sir Thomas Deane, P.R.H.A."
  3. [S850] Irish Architectural Review - Dictionary of Irish Architects 1720-1940 ( DEANE, THOMAS (SIR),+THOMAS+(SIR).
  4. [S854] Unknown, Biographical notes, 2009 p.1.
  5. [S850] Irish Architectural Review - Dictionary of Irish Architects 1720-1940 ( DEANE, ALEXANDER [1]….
  6. [S853] Mapping Sculpture ( Sir Thomas Deane RHA, PRHA, VPRIAI
  7. [S817] The Cork Examiner, Cork, Ireland, Wednesday 31 May 1843 p.3.
  8. [S817] The Cork Examiner, Cork, Ireland, Monday 15 May 1843 p.1.